The New Encyclopędia Britannica, Volume 16Encyclopędia Britannica, Incorporated, 1981 - Encyclopedias and dictionaries |
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Page 111
Ancient rocks that are 1,700,000,000 to 3,500 ,000,000 years old occur in all continents and on present maps appear random in distribution . When they are plotted on the predrift reconstruction map of Figure 1 , they fall into two ...
Ancient rocks that are 1,700,000,000 to 3,500 ,000,000 years old occur in all continents and on present maps appear random in distribution . When they are plotted on the predrift reconstruction map of Figure 1 , they fall into two ...
Page 633
Thus , the graded distribution of certain physiological properties appears to play a part in morphogenetic ... A groove , or fold , may appear within the layer , become closed into a tube , and then separated from the original layer .
Thus , the graded distribution of certain physiological properties appears to play a part in morphogenetic ... A groove , or fold , may appear within the layer , become closed into a tube , and then separated from the original layer .
Page 655
In boys , facial hair begins to grow at about the time that the axillary hair appears . There is a definite order in height spurt which the hairs of moustache and beard appear : first at 9.5–14.5 the corners of the upper lip , then over ...
In boys , facial hair begins to grow at about the time that the axillary hair appears . There is a definite order in height spurt which the hairs of moustache and beard appear : first at 9.5–14.5 the corners of the upper lip , then over ...
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